1. (2016七上·辽阳月考) 根据对话内容，写出适当的句子将对话补充完整。

(A: clerk  B: Mary's mother)

A: Welcome to our shop! ？

B: Yes, please. I want to buy sports shoes for my daughter.

A:

B. Red.

A: What about this pair?

B: It's a little big.

A: What about these ones?

B: They are OK.

A: 130yuan.

B:

A:

B: Thank you.

A: You are welcome.